Enhanced surface and interface diffusion in Ni–Bi bilayers by swift heavy ion irradiation

RSC Advances ◽  
2016 ◽  
Vol 6 (64) ◽  
pp. 58950-58956 ◽  
Author(s):  
Vantari Siva ◽  
Abdelhak Chettah ◽  
Biswarup Satpati ◽  
S. Ojha ◽  
D. Kanjilal ◽  
...  
Keyword(s):  
Ion Irradiation ◽  
Heavy Ion ◽  
Thermal Spike ◽  
Model Calculations ◽  
Interface Diffusion ◽  
Surface And Interface ◽  
Heavy Ion Irradiation ◽  
Thermal Spike Model ◽  
Spike Model ◽  
Enhanced Surface

Enhanced surface and interface diffusion in Ni–Bi bilayers has been observed using 100 MeV Au ion irradiation. The experimental observations were demonstrated using thermal spike model calculations.

A Thermal Spike Model of the Amorphization of Insulators by High-Energy Heavy-Ion Irradiation

1994 ◽  
Vol 373 ◽  
Author(s):  
G. Szenes
Keyword(s):  
Ion Irradiation ◽  
Threshold Value ◽  
Heavy Ion ◽  
High Energy ◽  
Quantitative Relation ◽  
Thermal Spike ◽  
Thermal Spike Model ◽  
Spike Model ◽  
Track Formation ◽  
Basic Features

AbstractA model based on the assumption of a Gaussian temperature distribution in the thermal spike well accounts for the basic features of latent track formation. In good agreement with the observations it predicts a logarithmic variation of the track size for 2.7≥Se/Set≥1 and a linear variation for Se/Set≥2.7, where Se is the electronic stopping power and Set is a threshold value. The model also provides a quantitative relation between Set and the thermal properties of the target. A weak temperature dependence of track formation is predicted in agreement with the experiments.

Evidence for Thermal Spike Effects in Ion-Irradiated Ni3Al

1998 ◽  
Vol 540 ◽  
Author(s):  
M. L. Jenkins ◽  
P. Mavani ◽  
S. Müller ◽  
C. Abromeit
Keyword(s):  
Thermal Annealing ◽  
Room Temperature ◽  
Ion Irradiation ◽  
Heavy Ion ◽  
Irradiation Temperature ◽  
Number Density ◽  
Thermal Spike ◽  
Sharp Fall ◽  
Heavy Ion Irradiation ◽  
The Mean

AbstractThe influence of the irradiation temperature Tirr on the development of disordered zones produced at displacement cascades in Ni3A1 by heavy-ion irradiation with 50 keV Ta+ and 300 keV Ni+ ions has been investigated. The normalised number density (yield) of disordered zones for 300 keV Ni+ irradiation showed a sharp fall between Tirr= 373 K and 573 K. For 50 keV Ni+ irradiation there was a similar fall between 573 K and 673 K. The mean diameters of the disordered zones produced by 300 keV Ni+ ions decreased by about 2 nm between room temperature and 573 K, and there was a tendency for larger zones to become more regular in shape. For 50 keV Ta+ ions, a similar trend was observed between 573 K and 873 K. An annealing experiment confirmed that disordered zones produced at lower temperatures were stable up to a temperature of about 673 K, showing that these trends cannot be due to thermal annealing of disordered zones. The experimental results are consistent with an increased tendency for reordering at the peripheries of disordered zones, due to the increased lifetimes of thermal spikes at higher irradiation temperatures.

The Thermal Spike Model: A Possible Way to Describe the Effects Induced in Y2O3 by Swift Heavy Ion Irradiations

1997 ◽  
Vol 248-249 ◽  
pp. 21-32 ◽  
Author(s):  
C. Dufour ◽  
S. Hemon ◽  
F. Gourbilleau ◽  
E. Paumier ◽  
E. Dooryhee
Keyword(s):  
Heavy Ion ◽  
Thermal Spike ◽  
Thermal Spike Model ◽  
Spike Model ◽  
Swift Heavy Ion

The use of a thermal spike model for temperature calculation in two-layer structures along the projective track of a high-energy heavy ion

2006 ◽  
Vol 3 (5) ◽  
pp. 320-326
Author(s):  
I. V. Amirkhanov ◽  
A. Yu. Didyk ◽  
N. R. Sarker ◽  
I. Sarhadov ◽  
V. K. Semina ◽  
...  
Keyword(s):  
Heavy Ion ◽  
High Energy ◽  
Thermal Spike ◽  
Temperature Calculation ◽  
Thermal Spike Model ◽  
Spike Model ◽  
Layer Structures

scholarly journals Thermal Spike Model of Ion-Induced Grain Growth

1990 ◽  
Vol 202 ◽  
Author(s):  
Dale E. Alexander ◽  
Gary S. Was
Keyword(s):  
Grain Boundary ◽  
Grain Growth ◽  
Ion Irradiation ◽  
Recoil Energy ◽  
Thermal Spike ◽  
Grain Boundary Mobility ◽  
Thermal Spike Model ◽  
Spike Model ◽  
Model Predictions ◽  
Boundary Curvature

ABSTRACTA thermal spike model has been developed to describe the phenomenon of ion irradiation-induced grain growth in metal alloy thin films. In single phase films where the driving force for grain growth is the reduction of grain boundary curvature, the model shows that ion-induced grain boundary mobility, Mion, is proportional to the quantity FD2/ΔHcoh3, where FD is the ion and recoil energy deposited in nuclear interactions and ΔHcoh is the cohesive energy of the element or alloy. Experimental grain growth results from ion irradiated coevaporated binary alloy films compare favorably with model predictions.

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